* {
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}
body {
    min-width: 960px;
    font-family: 'Franklin Gothic Medium', 
    'Arial Narrow', Arial, sans-serif;
}

div {
    box-sizing: border-box;
}
a {
    color: #000;
}
#app {
    width: 100%;
}
/* 顶部 */
.header {
    width: 100%;
}
/* 顶部图片 */
.header_img {
	height: 86.12px;
   background-color: #00A0D8;
}
.top_img {
    width: 980px;
    height: 106px;
    margin: 0 auto;
    background: url(../img/ia_100000074.png) no-repeat;
}
/* 内容 */
.main {
    width: 100%;
    margin-top: 30px;
}
.main_box {
    width: 980px;
    height: 2000px;
    margin: 0 auto;
    border-radius: 4px;
    border: 1px solid #e1e2e5;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .14);
}
#leftmel .p{
	height: 58px;
	border-top: gray;
	line-height: 60px;
	padding-left: 51px;
	color: darkgray;
	font-size: 17px;
	clear: both;
	border-bottom: 1px solid lightgrey;
}
#leftmel{
	background-color: ghostwhite;
	width: 173px;
	height: 1999px;
	border-bottom: 1px solid lightgrey;
	border-right: 1px solid lightgrey;
}
#leftmel a{
	text-align: center;
	text-decoration: none;
	display: block;
	color: black;
	width: 173px;
	height: 56px;
	line-height: 55px;
	font-size: 17px;
	float: left;
}
#leftmel a:nth-of-type(14){
	border-top: 1px solid lightgrey;
	border-bottom: 1px solid lightgrey;
}
#leftmel a:nth-of-type(15){
	border-bottom: 1px solid lightgrey;
}
#leftmel a:nth-of-type(16){
	border-bottom: 1px solid lightgrey;
}
#leftmel a:nth-of-type(17){
	border-bottom: 2px double lightgrey;
}
#leftmel a:hover{
	background-color: lightgray;
}
#leftmel a:active { 
color: white;
background-color: #00A0D8;
}
.border-left{
	float: right;
	width: 966px;
	height: 59px;
	line-height: 62px;
	text-align: left;
	border-bottom: 1px solid lightgray;
}
.border-left span {
	color: #00A0D8;
	text-decoration: none;
}
.box-top{
	width: 4px;
	height: 18px;
	margin-left: 200px;
	display: inline-block;
	vertical-align: middle;
	background-color: #00A0D8;
	border-radius: 2px 2px 2px 2px;
}
/* 底部 */
.footer {
    width: 100%;
    height: 432px;
    margin-top: 130px;
    padding-bottom: 30px;
    background-color: #F6F9FA;
    border-top: 1px solid #ccc; /* 记得去掉我 */ 
}